125130242525 has 12 divisors (see below), whose sum is σ = 155314702452. Its totient is φ = 100005354240.

The previous prime is 125130242513. The next prime is 125130242537. The reversal of 125130242525 is 525242031521.

It is an interprime number because it is at equal distance from previous prime (125130242513) and next prime (125130242537).

It can be written as a sum of positive squares in 6 ways, for example, as 40720818436 + 84409424089 = 201794^2 + 290533^2 .

It is not a de Polignac number, because 125130242525 - 2²⁰ = 125129193949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125130242491 and 125130242500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2445164 + ... + 2495813.

It is an arithmetic number, because the mean of its divisors is an integer number (12942891871).

Almost surely, 2^125130242525 is an apocalyptic number.

It is an amenable number.

125130242525 is a deficient number, since it is larger than the sum of its proper divisors (30184459927).

125130242525 is a wasteful number, since it uses less digits than its factorization.

125130242525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4942000 (or 4941995 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 125130242525 in words is "one hundred twenty-five billion, one hundred thirty million, two hundred forty-two thousand, five hundred twenty-five".